本文選題：城市 + 三維景觀　； 參考：《西安科技大學(xué)》2015年碩士論文

【摘要】：城市三維景觀模型構(gòu)建方法中,3Ds MAX軟件建模方法最常用,所建模型美觀,但數(shù)據(jù)量大、建設(shè)周期長。而CityEngine采用規(guī)則語句可快速構(gòu)建大范圍的城市三維景觀場景,但模型逼真度不高,且對特殊、復(fù)雜、規(guī)律性不強的城市景觀構(gòu)建表達能力不強。本文采用CityEngine與3Ds MAX結(jié)合方式,依據(jù)城市三維模型質(zhì)量評價體系分析各類模型精度,確定出適合不同表達精度城市景觀的模型構(gòu)建方法,分別構(gòu)建實驗區(qū)城市建筑、道路等三維景觀,并在ArcGIS Engine組件開發(fā)環(huán)境下建立城市三維景觀可視化管理信息系統(tǒng),實現(xiàn)實驗區(qū)城市景觀的三維瀏覽、查詢、空間量測等管理功能。針對CityEngine與3Ds MAX結(jié)合構(gòu)建實驗區(qū)城市三維景觀模型及建立可視化管理信息系統(tǒng),其關(guān)鍵技術(shù)總結(jié)如下:視距的遠近或目標(biāo)地物重要性大小不同,需要采用不同的細(xì)節(jié)層次結(jié)構(gòu)表達;通過插值法與嵌入特征條件約束的方法可有效解決點、線、面狀地物與起伏地形的匹配問題;CityEngine與3Ds MAX構(gòu)建城市三維景觀模型的方法,能夠高質(zhì)、快速地構(gòu)建大范圍城市三維景觀;CityEngine構(gòu)建的城市三維景觀模型可利用Geodatabase中的空間數(shù)據(jù),準(zhǔn)確、快捷地構(gòu)建城市三維景觀可視化管理信息系統(tǒng)。
[Abstract]:Among the three dimensional landscape modeling methods, 3DS Max is the most commonly used one. The model is beautiful, but it has a large amount of data and a long construction period. The CityEngine can quickly construct a wide range of urban 3D landscape scenes by using the rule statement, but the model fidelity is not high, and the ability to express the special, complex and irregular urban landscape is not strong. In this paper, the method of combining CityEngine with 3DS Max is used to analyze the accuracy of various models according to the quality evaluation system of urban 3D model, and the model construction method suitable for different expression precision of urban landscape is determined, and the urban buildings in the experimental area are constructed separately. The 3D landscape, such as road, and the visual management information system of urban 3D landscape are established under the ArcGIS engine component development environment to realize the management functions of 3D browsing, querying and spatial measurement of the urban landscape in the experimental area. According to the combination of CityEngine and 3DS Max to construct 3D landscape model and establish visual management information system in experimental area, the key technologies are summarized as follows: distance of sight or importance of object is different. It is necessary to express different levels of detail, and the problem of matching points, lines, surfaces and undulating terrain can be effectively solved by means of interpolation and embedding feature constraints. The method of constructing urban 3D landscape model by using CityEngine and 3DS Max can effectively solve the problem of matching points, lines, surfaces and undulating terrain. The urban 3D landscape model can be constructed quickly and qualitatively. The 3D landscape model can use the spatial data in Geodatabase to construct the visual management information system of 3D landscape accurately and quickly.
【學(xué)位授予單位】：西安科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TU984.1

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